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444154368 = 2937101409
BaseRepresentation
bin11010011110010…
…100001000000000
31010221202101020210
4122132110020000
51402200414433
6112023434120
714002151460
oct3236241000
91127671223
10444154368
11208793829
121048b5940
1371031048
1442db9ba0
1528ed6463
hex1a794200

444154368 has 160 divisors (see below), whose sum is σ = 1369019520. Its totient is φ = 125337600.

The previous prime is 444154351. The next prime is 444154379. The reversal of 444154368 is 863451444.

It is a super-2 number, since 2×4441543682 = 394546205226958848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085748 + ... + 1086156.

It is an arithmetic number, because the mean of its divisors is an integer number (8556372).

Almost surely, 2444154368 is an apocalyptic number.

444154368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444154368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684509760).

444154368 is an abundant number, since it is smaller than the sum of its proper divisors (924865152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444154368 is a wasteful number, since it uses less digits than its factorization.

444154368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 522 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 444154368 is about 21074.9701779148. The cubic root of 444154368 is about 762.9767649166.

The spelling of 444154368 in words is "four hundred forty-four million, one hundred fifty-four thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 101 112 128 168 192 202 224 256 303 336 384 404 409 448 512 606 672 707 768 808 818 896 1212 1227 1344 1414 1536 1616 1636 1792 2121 2424 2454 2688 2828 2863 3232 3272 3584 4242 4848 4908 5376 5656 5726 6464 6544 8484 8589 9696 9816 10752 11312 11452 12928 13088 16968 17178 19392 19632 22624 22904 25856 26176 33936 34356 38784 39264 41309 45248 45808 51712 52352 67872 68712 77568 78528 82618 90496 91616 104704 123927 135744 137424 155136 157056 165236 180992 183232 209408 247854 271488 274848 289163 314112 330472 361984 366464 495708 542976 549696 578326 628224 660944 732928 867489 991416 1085952 1099392 1156652 1321888 1465856 1734978 1982832 2198784 2313304 2643776 3469956 3965664 4397568 4626608 5287552 6939912 7931328 9253216 10575104 13879824 15862656 18506432 21150208 27759648 31725312 37012864 55519296 63450624 74025728 111038592 148051456 222077184 444154368